Korean Journal of Remote Sensing (대한원격탐사학회지)

Korean Society of Remote Sensing (대한원격탐사학회)
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Building Detection Using Shadow Information in KOMPSAT Satellite Imagery

그림자 정보를 이용한 KOMPSAT 위성영상에서의 건물 검출

  • 예철수 (서강대학교 전자공학과) ;
  • 이쾌희 (서강대학교 전자공학과)
  • Published : 2000.09.01
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Abstract

This paper presents a method to detect buildings using shadow information in satellite imagery. We classify image into three categories of building region, shadow region and background region to find buildings with consistent intensity. After the removal of noises in building regions and shadow regions, buildings adjacent to shadow regions are detected using the constraint of building and shadow sizes. The algorithm has been applied to KOMPSAT and SPOT images and the result showed buildings are efficiently detected.

본 논문에서는 그림자 정보를 사용하여 위성 영상에서 건물을 검출하는 기법을 제안한다. 비교적 일정한 밝기값 분포를 가지는 건물을 검출하기위해 영상을 건물, 그림자 그리고 배경의 세가지 영역으로 분류한다. 건물 영역 및 그림자 영역에 대해 잡음을 제거하고 그림자 영역에 인접한 건물을 건물과 그림자 크기에 대한 제약 조건을 적용하여 검출한다. 본 논문에 사용된 영상은 KOMPSAT 위성영상과 SPOT 위성영상을 사용하였으며 위성영상내의 건물을 효과적으로 검출할 수 있었다.

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References

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